Tread of a tire



FIG. 1 is an elevational view of a tread of a tire embodying our new design, it being understood that the pattern is repeated uniformly throughout the circumference of the tread; and,

FIG. 2 is a perspective view of the tread of a tire shown in FIG. 1.

In the drawings, the broken lines defining the tire inner bead and side wall are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tread of a tire, as shown and described. 